WINTERTHUR — The 47th Annual Point-to-Point steeplechase event will return to Winterthur Museum, Garden & Library on May 4. The popular spring event brings steeplechase races, tailgating, antique carriages, and family-friendly activities to the grounds of Winterthur, a former du Pont estate. Point-to-Point, which has been held annually since 1979, is known for its combination of exciting races and a …